CN112252991B

CN112252991B - Drilling equipment for earthwork blasting

Info

Publication number: CN112252991B
Application number: CN202011179752.0A
Authority: CN
Inventors: 李树一; 邱亚锋; 王艳娇; 吴彬; 钟伟斌; 黄佳祺
Original assignee: PowerChina Huadong Engineering Corp Ltd; Zhejiang Huadong Engineering Construction Management Co Ltd
Current assignee: PowerChina Huadong Engineering Corp Ltd; Zhejiang Huadong Engineering Construction Management Co Ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-04-23
Anticipated expiration: 2040-10-29
Also published as: CN113266278A; CN113266278B; CN112252991A

Abstract

The invention belongs to the technical field of earthwork blasting, and particularly relates to drilling equipment for earthwork blasting, which comprises a walking platform, a pendulum mechanism, an adjusting mechanism and a hole drill. The purpose of this design is to select the impact force and the pressure distribution of the drilled hole according to the rocky mountains with different hardness.

Description

Drilling equipment for earthwork blasting

Technical Field

The invention belongs to the technical field of earthwork blasting, and particularly relates to drilling equipment for earthwork blasting.

Background

In the mining area work progress, when meetting the unable hard soil layer or the stone layer of constructing of conventional excavating equipment, need drilling blasting, to the condition of the little cost construction of minizone, the blasting demand is more sudden, borrows the time of transferring the drilling of main equipment this moment and stands for longer, and the cost is higher, so it is very necessary to design a small portable drilling equipment.

The invention designs a drilling device for earthwork blasting to solve the problems.

Disclosure of Invention

In order to solve the defects in the prior art, the invention discloses drilling equipment for earthwork blasting, which is realized by adopting the following technical scheme.

A drilling device for earthwork blasting comprises a traveling platform, a pendulum mechanism, an adjusting mechanism and a hole drill, wherein the adjusting mechanism is arranged on the upper side of the traveling platform through a lifting electric push rod, and the hole drill is arranged on the adjusting mechanism; the pendulum mechanism is arranged on the walking platform and is positioned at the rear side of the adjusting mechanism.

The pendulum mechanism comprises a hammer head, a first pull rope, a telescopic swing rod and a plate spring, wherein the lower end of the telescopic swing rod is hinged to the walking platform, the upper end of the telescopic swing rod is fixedly provided with the hammer head, and the plate spring is arranged between the telescopic swing rod and the walking platform; a first pull rope is fixedly arranged on one side of the hammer head; the telescopic swing rod can be manually locked through the positioning bolt.

The adjusting mechanism comprises a fixed sleeve, a swinging electric push rod, an installation platform, a gear adjusting block, a one-way mechanism, an impact block, a motor, a support rod, a transmission slide block, a rotating wheel, a swinging rod, a sixth pull rope, a fifth spring, a first gear and a second gear, wherein the installation platform is installed on the upper side of the walking platform through the lifting electric push rod; the fixed sleeve is hinged to the upper side of the mounting platform through two symmetrically distributed support rods, a first mounting plate is fixedly mounted at the lower end of the fixed sleeve, one end of the swinging electric push rod is hinged to the first mounting plate, and the other end of the swinging electric push rod is hinged to the mounting platform; the rotating sleeve is rotatably arranged on the inner circular surface of the fixed sleeve, one end of the rotating sleeve extends out of the outer side of the fixed sleeve and is fixedly provided with a first gear, the motor is fixedly arranged on the outer circular surface of one end of the fixed sleeve through a motor support, a second gear is fixedly arranged on the output shaft of the motor and is meshed with the first gear; the hole drill is arranged on the inner side of the rotary sleeve in a sliding manner; the transmission sliding block is arranged on one side of the first mounting plate in a sliding mode, and a fourth spring is arranged between the transmission sliding block and the first mounting plate; a shifting slide block is slidably mounted on the upper side of one end of the transmission slide block, and a fifth spring is mounted between the shifting slide block and the transmission slide block; the poking slide block is matched with the hole drill in a poking way; the transmission slide block can manually adjust the sliding amplitude; the impact block is slidably arranged on one side of the transmission slide block, and a second spring is arranged between the impact block and the transmission slide block; one side of each gear adjusting block is step-shaped, and the two gear adjusting blocks are symmetrically and slidably mounted on one side of the transmission slide block and positioned between the transmission slide block and the impact block; step surfaces on the two gear adjusting blocks are matched with the impact sliding block; the two gear adjusting blocks are synchronously connected through the transmission of the rack and the gear; the rotating wheel is rotatably arranged in the transmission sliding block, the rotating wheel is connected with one gear adjusting block of the two gear adjusting blocks through a swing rod, two ends of the swing rod are respectively hinged to the rotating wheel and the corresponding gear adjusting block, and two strands of sixth pull ropes are fixedly arranged on the rotating wheel; the matching state of the step surfaces on the two gear adjusting blocks and the impact block can be controlled by pulling the two sixth pull ropes; one side of the impact block is provided with a one-way mechanism which can perform one-way limiting on the impact block, and the limiting of the one-way mechanism on the impact block can be manually released.

As a further improvement of the technology, positioning holes are formed in the telescopic inner rod and the telescopic outer sleeve of the telescopic swing rod, and after the length of the telescopic swing rod is determined, the telescopic swing rod is locked by matching a positioning bolt with the positioning holes formed in the telescopic swing rod.

As a further improvement of the technology, the one-way mechanism comprises a fixed support, a one-way limiting block, a first guide rod, a first spring and a first limiting plate, wherein the first guide rod is fixedly arranged on the fixed sleeve through the fixed support, and the first guide rod is distributed obliquely; one end fixed mounting of first guide bar has first limiting plate, and one-way stopper is the L type form, and it has the first guiding hole of slant distribution to open on the one-way stopper, and one-way stopper is through the sliding fit slidable mounting of first guiding hole and first guiding rod on first guide bar, and the one end of one-way stopper is located the downside of striking piece, installs first spring between one-way stopper and the first limiting plate.

As a further improvement of the technology, the mounting platform is provided with two rope holes, one end of the second pull rope is fixedly mounted on the transmission slide block, one end of the third pull rope is fixedly mounted on the one-way limiting block, the other end of the second pull rope is connected with the other end of the third pull rope through a fifth pull rope, and one end of the fifth pull rope, which is far away from the second pull rope and the third pull rope, penetrates through one of the rope holes in the mounting platform and is positioned at the lower side of the mounting platform; one end of the fourth pull rope is fixedly arranged on the one-way limiting block, and the other end of the fourth pull rope penetrates through the other rope hole in the mounting platform and is located on the lower side of the mounting platform.

As a further improvement of the present technology, a second mounting plate is fixedly mounted at the lower end of the first mounting plate, one end of the oscillating electric push rod is mounted on the second mounting plate in a hinged manner, a third guide hole is formed at one end of the transmission slider, one end of the third guide rod is fixedly mounted on the first mounting plate, and the transmission slider is mounted on the third guide rod through the sliding fit of the third guide hole and the third guide rod.

As a further improvement of the technology, a second guide rod is fixedly installed on one side of the transmission slide block, and a second limiting plate is fixedly installed on one end, far away from the transmission slide block, of the second guide rod; two guide sliding blocks are symmetrically arranged on the outer circular surface of the second guide rod; the impact block is provided with a through second guide hole, the inner circular surface of the second guide hole is symmetrically provided with two guide sliding chutes, the impact block is slidably mounted on the second guide rod through the second guide hole, and the two guide sliding blocks are in sliding fit with the two guide sliding chutes.

The transmission sliding block is provided with an installation sliding groove, the shifting sliding block is slidably installed in the installation sliding groove, and two ends of the fifth spring are fixedly installed on one end, located in the installation sliding groove, of the shifting sliding block and the bottom surface of the installation sliding groove respectively.

As a further improvement of the technology, one side of the transmission slide block facing the impact block is symmetrically provided with two T-shaped guide grooves, one sides of the two gear adjusting blocks are fixedly provided with the T-shaped guide blocks, and the two gear adjusting blocks are arranged on one side of the transmission slide block through the sliding fit of the two T-shaped guide blocks and the two T-shaped guide grooves; one side of one of the two T-shaped guide grooves formed in the transmission sliding block is provided with an installation cavity, and the rotating wheel is rotatably installed in the installation cavity.

As a further improvement of the technology, the outer circular surface of the rotating wheel is fixedly provided with an installation block, and the two sixth pull ropes are respectively and fixedly arranged at two sides of the installation block; and the two gear adjusting blocks are respectively and fixedly provided with a rack, the third gear is rotatably arranged on the transmission slide block, and the third gear is respectively meshed with the two racks.

One side of one of the two T-shaped guide grooves is provided with a plurality of clamping grooves which are uniformly distributed, one end of each gear adjusting block is provided with a square sliding groove, the positioning sliding block is slidably mounted in the square sliding groove, and a third spring is mounted between one end of the positioning sliding block, which is positioned in the square sliding groove, and the inner end face of the square sliding groove.

As a further improvement of the technology, one side of the transmission slide block is symmetrically provided with two sliding guide grooves, two sliding guide strips are symmetrically arranged on the outer circular surface of one end of the fixed sleeve, and the two sliding guide strips are in sliding fit with the two sliding guide grooves.

As a further improvement of the technology, a plurality of annular clamping grooves are uniformly formed in the outer circular surface of the hole drill along the axial direction, and one side, back to the advancing direction of the hole drill, of each annular clamping groove is provided with a conical surface; the outer circle surface of the hole drill is provided with a transmission guide block, the inner circle surface of the rotary sleeve is provided with a transmission guide groove, the hole drill is arranged in the rotary sleeve through the sliding fit of the transmission guide block and the transmission guide groove, and the poking slide block arranged on the transmission slide block is matched with the annular clamping groove on the hole drill.

The inner circular surface of the fixed sleeve is symmetrically provided with two annular grooves, the outer circular surface of the rotary sleeve is symmetrically and fixedly provided with two annular guide blocks, and the rotary sleeve is arranged in the fixed sleeve through the rotary matching of the two annular guide blocks and the two annular grooves.

Compared with the traditional earthwork blasting technology, the invention has the following beneficial effects:

1. when the hole drilling machine is used, the first pull rope is manually pulled to enable the first pull rope to drive the hammer head and the telescopic swing rod to swing backwards, the plate spring is compressed, then the first pull rope is loosened to enable the hammer head and the telescopic swing rod to swing upwards under the action of the plate spring, meanwhile, the adjusting mechanism is hammered under the action of inertia force, the hole drilling machine is hammered, the hole drilling efficiency is improved, and the drilling capacity of a hard layer under the condition that impact force is manually provided is guaranteed.

2. The drilling equipment designed by the invention has the advantages of simple structure, convenient operation, lower cost and suitability for small-range and low-cost construction, and most of the operations are finished manually.

3. One end of the gear adjusting block designed by the invention is step-shaped, each step corresponds to one gear, when the gear adjusting block is completely clamped between the transmission slide block and the impact block, the impact block can directly transmit all energy to the transmission slide block through the gear adjusting block under stress, and the transmission slide block is transmitted to the hole drill through shifting the slide block, so that the capability of impacting and crushing a hard layer is ensured; if the gear regulating block is after the regulation, when striking block and one of them step face cooperate, behind striking block atress, at first can extrude the fourth spring, later at striking gear regulating block, transmit the broken stereoplasm layer of striking on the hole drill through the gear regulating block with part impact to turn into the collision with the residual energy and to the pressure of stereoplasm layer, utilize this pressure to carry out rotatory smear metal to the stereoplasm layer. The purpose of this design is to select the impact force and the pressure distribution of the drilled hole according to the rocky mountains with different hardness.

4. According to the invention, the height of the adjusting mechanism, namely the punching height of the hole drill, can be controlled by controlling the lifting electric push rod, and the swinging angle of the fixed sleeve, namely the punching angle of the hole drill, can be controlled by controlling the swinging electric push rod, so that the drilling device is suitable for the punching requirements of various angles and heights.

5. The drilling method has the advantages that the drilling method is in consideration of characteristics of the hard layer drilling by the drill, namely the drill is drilled in a collision mode, the effect is good, the abrasion is serious, damage to the drill is easily caused, the drill is drilled in a pressure rotation mode, the efficiency is relatively low, the damage to the drill is small, meanwhile, the manual swing storage force of limited capacity is utilized with low cost, the collision and rotation drilling energy distribution drilling method is designed, and the practical effect is strong.

Drawings

Fig. 1 is an external view of an entire part.

Fig. 2 is a schematic view of a pendulum mechanism.

Fig. 3 is a schematic view of the adjustment mechanism.

Fig. 4 is a schematic structural diagram of the limiting mechanism.

Fig. 5 is a schematic view of a rotary sleeve drive.

Fig. 6 is a schematic view of the holster installation.

FIG. 7 is a schematic view of a range adjustment block distribution.

FIG. 8 is a schematic view of the strike block installation.

FIG. 9 is a schematic view of a shift position adjustment block installation.

Fig. 10 is a schematic view of the transmission slider structure.

FIG. 11 is a schematic view of a shift position adjustment block.

Fig. 12 is a schematic view of the drive train slide.

Fig. 13 is a schematic view of a drill installation.

Fig. 14 is a schematic view of a toggle slider installation.

Fig. 15 is a schematic view of a hole drill structure.

Fig. 16 is a schematic view of a swivel mount.

Fig. 17 is a schematic view of the structure of the rotary sleeve and the fixed sleeve.

Number designation in the figures: 1. a walking platform; 2. a pendulum mechanism; 3. an adjustment mechanism; 4. a hammer head; 5. a first pull cord; 6. positioning holes; 7. a telescopic swing rod; 8. positioning a bolt; 9. a plate spring; 10. fixing a sleeve; 11. swinging the electric push rod; 12. mounting a platform; 13. a gear adjusting block; 14. a one-way mechanism; 15. an impact block; 16. a second pull cord; 17. drilling a hole; 18. fixing and supporting; 19. a one-way limiting block; 20. a first guide bar; 21. a first spring; 22. a first limit plate; 23. a third pull cord; 24. a fourth pull cord; 25. a fifth draw cord; 26. a first guide hole; 27. a rotating sleeve; 28. a first gear; 29. a second gear; 30. supporting a motor; 31. a motor; 32. a first mounting plate; 33. a second mounting plate; 34. a strut; 35. a rope hole; 36. a transmission slide block; 38. a second spring; 39. a second guide hole; 40. a guide chute; 41. a second limiting plate; 42. a second guide bar; 43. a guide slider; 44. a mounting cavity; 45. a rotating wheel; 46. a rack; 47. a third gear; 48. a step surface; 49. a T-shaped guide block; 50. a sliding guide groove; 51. a third guide hole; 52. installing a chute; 53. a fifth spring; 54. a card slot; 55. a T-shaped guide groove; 56. positioning the sliding block; 57. a third spring; 58. a square chute; 59. mounting blocks; 60. a swing rod; 62. a sixth pull rope; 63. a fourth spring; 64. a third guide bar; 65. shifting the sliding block; 66. sliding the guide bar; 67. a conical surface; 68. an annular neck; 69. a transmission guide block; 70. an annular groove; 71. an annular guide block; 72. a transmission guide groove; 73. the electric push rod is lifted.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples or figures are illustrative of the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1, the device comprises a walking platform 1, a pendulum mechanism 2, an adjusting mechanism 3 and a hole drill 17, wherein the adjusting mechanism 3 is arranged on the upper side of the walking platform 1 through a lifting electric push rod 73, and the hole drill 17 is arranged on the adjusting mechanism 3; the pendulum mechanism 2 is installed on the walking platform 1 and is positioned at the rear side of the adjusting mechanism 3.

In the invention, the height of the adjusting mechanism 3, namely the punching height of the hole drill 17 can be controlled by controlling the lifting electric push rod 73.

As shown in fig. 2, the pendulum mechanism 2 includes a hammer 4, a first pull rope 5, a telescopic swing link 7, and a plate spring 9, wherein the lower end of the telescopic swing link 7 is hinged to the traveling platform 1, the upper end of the telescopic swing link 7 is fixedly provided with the hammer 4, and the plate spring 9 is arranged between the telescopic swing link 7 and the traveling platform 1; a first pull rope 5 is fixedly arranged on one side of the hammer 4; the telescopic swing rod 7 can be locked manually through the positioning bolt 8.

Under the condition of not being used, the hammer head 4 and the telescopic swing rod 7 are in a static state under the action of the plate spring 9, and a gap is reserved between the hammer head 4 and the impact block 15, so that the required space in the process of adjusting the internal structure of the adjusting mechanism 3 is ensured.

As shown in fig. 3, the adjusting mechanism 3 includes a fixed sleeve 10, a swinging electric push rod 11, a mounting platform 12, a gear adjusting block 13, a one-way mechanism 14, an impact block 15, a motor 31, a support rod 34, a transmission slider 36, a rotating wheel 45, a swinging rod 60, a sixth pull rope 62, a fifth spring 53, a first gear 28, and a second gear 29, wherein as shown in fig. 1, the mounting platform 12 is mounted on the upper side of the walking platform 1 through a lifting electric push rod 73; as shown in fig. 6, the fixing sleeve 10 is hinged to the upper side of the mounting platform 12 through two symmetrically distributed struts 34, the lower end of the fixing sleeve 10 is fixedly mounted with a first mounting plate 32, as shown in fig. 3 and 6, one end of the oscillating electric push rod 11 is hinged to the first mounting plate 32, and the other end of the oscillating electric push rod 11 is hinged to the mounting platform 12; as shown in fig. 16 and 17, the rotary sleeve 27 is rotatably mounted on the inner circumferential surface of the fixed sleeve 10, and as shown in fig. 5, one end of the rotary sleeve 27 extends out of the fixed sleeve 10 and is fixedly mounted with a first gear 28, as shown in fig. 3 and 5, a motor 31 is fixedly mounted on the outer circumferential surface of one end of the fixed sleeve 10 through a motor support 30, a second gear 29 is fixedly mounted on the output shaft of the motor 31, and the second gear 29 is meshed with the first gear 28; as shown in fig. 15, the drill 17 is slidably mounted inside the rotary sleeve 27; as shown in fig. 3 and 13, the transmission slider 36 is slidably mounted on one side of the first mounting plate 32, and a fourth spring 63 is mounted between the transmission slider 36 and the first mounting plate 32; as shown in fig. 13 and 14, a toggle slider 65 is slidably mounted on an upper side of one end of the transmission slider 36, and a fifth spring 53 is mounted between the toggle slider 65 and the transmission slider 36; the toggle sliding block 65 is in toggle fit with the hole drill 17; the transmission slide 36 can be manually adjusted in its sliding amplitude; as shown in fig. 8, the striking block 15 is slidably mounted on one side of the transmission slider 36, and a second spring 38 is mounted between the striking block 15 and the transmission slider 36; as shown in fig. 12, one side of the shift position adjusting block 13 is step-shaped, and as shown in fig. 7, two shift position adjusting blocks 13 are symmetrically and slidably mounted on one side of the transmission slide block 36 and located between the transmission slide block 36 and the striking block 15; as shown in fig. 9, step surfaces 48 on the two shift position adjusting blocks 13 are engaged with the striking sliders; the two gear adjusting blocks 13 are synchronously connected through the transmission of the rack 46 and the gear; as shown in fig. 9 and 12, the rotating wheel 45 is rotatably mounted in the transmission slider 36, the rotating wheel 45 is connected with one gear adjusting block 13 of the two gear adjusting blocks 13 through a swing rod 60, two ends of the swing rod 60 are respectively hinged to the rotating wheel 45 and the corresponding gear adjusting block 13, and two sixth pull ropes 62 are fixedly mounted on the rotating wheel 45; the matching state of the step surfaces 48 on the two gear adjusting blocks 13 and the impact block 15 can be controlled by pulling the two sixth pull ropes; as shown in fig. 3 and 4, a one-way mechanism 14 for one-way stopping the striking block 15 is attached to one side of the striking block 15, and the stopping of the striking block 15 by the one-way mechanism 14 can be manually released.

The swinging angle of the fixed sleeve 10, namely the punching angle of the hole drill 17, can be controlled by controlling the swinging electric push rod 11, the transmission slide block 36 designed in the invention is contacted with the upper end surface of the mounting platform 12, the fixed sleeve 10 which is in sliding fit with the transmission slide block 36 can only swing downwards but cannot swing upwards, namely, the hole punched by the drilling equipment designed in the invention can only swing horizontally and obliquely downwards but not obliquely upwards, and the advantage of the design is that the explosive filled into the hole can not be spilled.

In the invention, the motor 31 is controlled to work, the motor 31 can drive the second gear 29 to rotate, the second gear 29 rotates to drive the first gear 28 to rotate, the first gear 28 rotates to drive the rotary sleeve 27 to rotate, and the rotary sleeve 27 rotates to drive the hole drill 17 to rotate.

The fourth spring 63 designed by the invention is a pull rope spring and has pretension force, and the design reason is that the pulling force of the fourth spring 63 is used for providing a pulling force towards a stone mountain for the transmission slide block 36, so that the toggle slide block 65 arranged on the transmission slide block 36 is tightly pressed on the front end straight surface of the annular clamping groove 68 matched with the hole drill 17; the existence of clearance between the sliding block 65 and the corresponding annular clamping groove 68 is prevented, and during impact, the reverse impact force of the annular sliding groove received by the sliding block 65 is large, so that the service life of the sliding block 65 is shortened. The fifth spring 53 of the present invention acts to reset the toggle slider 65.

In the invention, the rotation of the rotating wheel 45 is controlled by controlling the two strands of the sixth pull ropes 62, the rotating wheel 45 rotates to drive the swing rod 60 to swing, the swing rod 60 swings to drive the corresponding gear adjusting block 13 slide blocks in the two gear adjusting blocks 13, the gear adjusting slide block slides to drive the other gear adjusting block 13 to slide together through the transmission of the rack 46 and the third gear 47, so that the adjustment of the gear is realized, during the gear position adjusting process, which gear position adjusting block 13 is located at which gear position can be judged according to the cooperation of the positioning slide block 56 mounted on the gear position adjusting block 13 and the clamping groove 54 formed on the transmission slide block 36, when the positioning slide block 56 slides to one of the clamping grooves 54, under the action of the third spring 57, the positioning slider 56 slides out quickly and strikes against the corresponding slot 54, so that a striking sound is given, and a user can judge which gear position the gear position adjusting block 13 is in according to the striking sound. The two strands of the sixth pull ropes 62 can be pulled in a reciprocating manner, so that the gear can be adjusted freely according to requirements in the invention.

As shown in fig. 2, the telescopic inner rod and the telescopic outer sleeve of the telescopic swing rod 7 are both provided with positioning holes 6, and after the length of the telescopic swing rod 7 is determined, the telescopic swing rod is locked by the cooperation of the positioning bolt 8 and the positioning hole 6 formed in the telescopic swing rod.

According to the invention, the length of the telescopic swing rod 7 is adjusted, so that the hammer 4 is matched with the hole drill 17, namely, after the height and the angle of the hole drill 17 are determined, the length of the telescopic swing rod 7 can be adjusted according to the height of the hole drill 17 to adapt to the hole drill 17, and after the length of the telescopic swing rod 7 is determined, the telescopic swing rod is locked by matching the positioning bolt 8 with the positioning hole 6 formed in the telescopic swing rod.

As shown in fig. 4, the one-way mechanism 14 includes a fixed support 18, a one-way stopper 19, a first guide rod 20, a first spring 21, and a first limit plate 22, wherein as shown in fig. 3, the first guide rod 20 is fixedly mounted on the fixed sleeve 10 through the fixed support 18, and as shown in fig. 4, the first guide rods 20 are distributed obliquely; one end fixed mounting of first guide bar 20 has first limiting plate 22, and one-way stopper 19 is the L type form, and it has the first guiding hole 26 that the slant distributes to open on one-way stopper 19, and one-way stopper 19 is through the sliding fit slidable mounting of first guiding hole 26 with first guide bar 20 on first guide bar 20, and one end of one-way stopper 19 is located the downside of striking piece 15, installs first spring 21 between one-way stopper 19 and the first limiting plate 22.

According to the invention, when the impact block 15 is impacted, the impact block 15 is stressed to move forwards, when the impact block 15 moves, after the impact block 15 is separated from the one-way limiting block 19, the one-way limiting block 19 can prevent the impact block 15 from moving backwards under the action of the tension of the first spring 21, so that the one-way limiting effect is realized, the condition that after part of energy participates in impact, the residual force stored on the second spring 38 can be converted into the pressure of the hole drill 17 on a hard layer is ensured, and if the one-way limiting effect is not realized, the force stored on the second spring 38 can push the impact block 15 to move backwards, so that the pressure cannot be provided for the hole drill 17. The first spring 21 of the present invention is an extension spring and has a pretension.

As shown in fig. 6, the mounting platform 12 is provided with two rope holes 35, as shown in fig. 3, one end of the second rope 16 is fixedly mounted on the transmission slider 36, one end of the third rope 23 is fixedly mounted on the one-way limiting block 19, the other end of the second rope 16 is connected with the other end of the third rope 23 through the fifth rope 25, and one end of the fifth rope 25, which is far away from the second rope 16 and the third rope 23, passes through one of the rope holes 35 on the mounting platform 12 and is located on the lower side of the mounting platform 12; one end of the fourth pulling rope 24 is fixedly installed on the one-way limiting block 19, and the other end of the fourth pulling rope 24 passes through another rope hole 35 on the installation platform 12 and is located on the lower side of the installation platform 12.

The second pull rope 16 is looser than the third pull rope 23, and the design reason is that when the impact block 15 impacts the transmission slide block 36 through the gear adjusting block 13 and the transmission slide block 36 impacts the hole drill 17 through the toggle slide block 65, when the hole drill 17 moves forward for a certain distance, the transmission slide block 36 moves forward to reach a state close to the limit, at this time, the impact block 15 and the gear adjusting block 13 need to move backward together for resetting, and the toggle slide block 65 on the transmission slide block 36 is clamped into the rear annular groove 70 of the hole drill 17, at this time, the fifth pull rope 25 needs to be pulled, the fifth pull rope 25 pulls the third pull rope 23 first, the third pull rope 23 pulls the one-way limiting block 19, so that the one-way limiting block 19 moves forward, the limit on the impact block 15 is released, the impact block 15 resets under the action of the fourth spring 63, and when the second pull rope 16 is straightened, the transmission slide block 36 is pulled by the second pull rope 16, the distance between the impact block 15 and the transmission slide block 36 is recovered to the initial distance after the movement, and the normal adjustment of the adjusting block is ensured.

The fourth pull rope 24 is designed to have the effects that if the step surface 48 on the gear adjusting block 13 is matched with the impact block 15, namely the gear adjusting block 13 does not transmit impact force rigidly, the fourth spring 63 plays a certain buffering role and distributes impact energy into rotation pressure during each impact, and in order to ensure each impact, the fourth spring 63 has the buffering role and the distributing role, so that after each impact, the fourth pull rope 24 is pulled manually, the fourth pull rope 24 pulls the one-way limiting block 19, the one-way limiting block 19 moves forwards, the limiting of the impact block 15 is released, and the impact block 15 is reset under the action of the fourth spring 63.

As shown in fig. 6, the second mounting plate 33 is fixedly mounted at the lower end of the first mounting plate 32, one end of the swinging electric push rod 11 is mounted on the second mounting plate 33 in a hinged manner, as shown in fig. 10, one end of the transmission slider 36 is provided with a third guide hole 51, one end of the third guide rod 64 is fixedly mounted on the first mounting plate 32, and as shown in fig. 13, the transmission slider 36 is mounted on the third guide rod 64 through the sliding fit of the third guide hole 51 and the third guide rod 64. The sliding fit of the third guide hole 51 and the third guide rod 64 guides the transmission slider 36.

As shown in fig. 8, a second guide rod 42 is fixedly installed at one side of the transmission slider 36, and a second limiting plate 41 is fixedly installed at one end of the second guide rod 42 away from the transmission slider 36; two guide sliding blocks 43 are symmetrically arranged on the outer circular surface of the second guide rod 42; the impact block 15 is provided with a through second guide hole 39, the inner circular surface of the second guide hole 39 is symmetrically provided with two guide sliding chutes 40, the impact block 15 is slidably mounted on a second guide rod 42 through the second guide hole 39, and the two guide sliding blocks 43 are in sliding fit with the two guide sliding chutes 40. The impact block 15 is guided by the cooperation of the second guide hole 39, the guide slider 43 and the guide runner 40.

As shown in fig. 10, the transmission slider 36 is provided with a mounting chute 52, as shown in fig. 13 and 14, the toggle slider 65 is slidably mounted in the mounting chute 52, and two ends of the fifth spring 53 are respectively and fixedly mounted on one end of the toggle slider 65 located in the mounting chute 52 and the bottom surface of the mounting chute 52.

As shown in fig. 10, two T-shaped guide grooves 55 are symmetrically formed on one side of the transmission slider 36 facing the striking block 15, as shown in fig. 11, T-shaped guide blocks 49 are fixedly mounted on one sides of the two shift position adjusting blocks 13, and the two shift position adjusting blocks 13 are mounted on one side of the transmission slider 36 through the sliding fit of the two T-shaped guide blocks 49 and the two T-shaped guide grooves 55; one side of one T-shaped guide groove 55 of the two T-shaped guide grooves 55 formed in the transmission slide block 36 is provided with a mounting cavity 44, and the rotating wheel 45 is rotatably mounted in the mounting cavity 44.

As shown in fig. 12, a mounting block 59 is fixedly mounted on the outer circumferential surface of the rotating wheel 45, and two sixth ropes 62 are respectively fixedly mounted on two sides of the mounting block 59; two gear adjusting blocks 13 are respectively and fixedly provided with a rack 46, a third gear 47 is rotatably arranged on the transmission slide block 36, and the third gear 47 is respectively meshed with the two racks 46.

As shown in fig. 11, one side of one T-shaped guide slot 55 of the two T-shaped guide slots 55 is provided with a plurality of clamping slots 54 which are uniformly distributed, one end of each of the two gear adjusting blocks 13 is provided with a square sliding slot 58, the positioning slide block 56 is slidably mounted in the square sliding slot 58, and a third spring 57 is mounted between one end of the positioning slide block 56 located in the square sliding slot 58 and the inner end surface of the square sliding slot 58.

As shown in fig. 10, two sliding guide grooves 50 are symmetrically formed on one side of the transmission slider 36, as shown in fig. 15, two sliding guide bars 66 are symmetrically installed on the outer circumferential surface of one end of the fixing sleeve 10, as shown in fig. 13, the two sliding guide bars 66 are in sliding fit with the two sliding guide grooves 50; the drive slide 36 is guided by the sliding guide strip 66 in sliding engagement with the two sliding guide grooves 50.

As shown in fig. 15, a plurality of annular locking grooves 68 are uniformly formed on the outer circumferential surface of the hole drill 17 along the axial direction, and one side of each annular locking groove 68 facing away from the advancing direction of the hole drill 17 is provided with a conical surface 67; the outer circular surface of the hole drill 17 is provided with a transmission guide block 69, the inner circular surface of the rotary sleeve 27 is provided with a transmission guide groove 72, the hole drill 17 is installed in the rotary sleeve 27 through the sliding fit of the transmission guide block 69 and the transmission guide groove 72, and the toggle slide block 65 installed on the transmission slide block 36 is matched with the annular clamping groove 68 on the hole drill 17. The tapered surface 67 is designed to facilitate the retraction of the toggle slider 65 into the mounting channel 52 under pressure, which causes the drive slider 36 to move back relative to the drill 17.

As shown in fig. 17, two annular grooves 70 are symmetrically formed on the inner circumferential surface of the fixed sleeve 10, two annular guide blocks 71 are symmetrically and fixedly mounted on the outer circumferential surface of the rotary sleeve 27, and as shown in fig. 16, the rotary sleeve 27 is mounted in the fixed sleeve 10 by the two annular guide blocks 71 and the two annular grooves in a rotating fit manner. The rotary sleeve 27 is guided by the two annular guide blocks 71 in rotational cooperation with the two annular grooves.

According to the design of the invention, the motor 31 is provided with the electronic control switch, when the electronic control switch receives the swinging of the telescopic swing rod 7 to the initial state and the speed is zero, the electronic control switch controls the motor 31 to work, so that the hole drill 17 is controlled to rotate under the pressure of the energy stored in the second spring 38 to drill, and the motor 31 is in the non-working state at other times.

The specific working process is as follows: when the drilling equipment designed by the invention is used for drilling, firstly, the hole drill 17 is aligned to a position to be drilled by adjusting the lifting electric push rod 73 and the swinging electric push rod 11, then the gear of the gear adjusting block 13 is determined according to the hardness of a stone hill, when the gear is adjusted, the rotation of the rotating wheel 45 is controlled by controlling two strands of the sixth pull ropes 62, the rotating wheel 45 rotates to drive the swinging rod 60 to swing, the swinging rod 60 swings to drive the corresponding gear adjusting block 13 slide block in the two gear adjusting blocks 13, the gear adjusting slide block slides to drive the other gear adjusting block 13 to slide together through the transmission of the rack 46 and the third gear 47, and further the adjustment of the gear is realized, in the invention, in the gear adjusting process, the gear adjusting block 13 can be judged according to the matching of the positioning slide block 56 arranged on the gear adjusting block 13 and the clamping groove 54 formed on the transmission slide block 36, when the positioning slide block 56 slides to one of the locking slots 54, the positioning slide block 56 slides out rapidly under the action of the third spring 57, and strikes the corresponding locking slot 54 to give out a striking sound, so that a user can judge which gear position the gear position adjusting block 13 is in according to the striking sound.

Then, the first pull rope 5 is pulled manually, so that the first pull rope 5 drives the hammer 4 and the telescopic swing rod 7 to swing backwards, the plate spring 9 is compressed, then the first pull rope 5 is loosened, the hammer 4 and the telescopic swing rod 7 swing upwards under the action of the plate spring 9, meanwhile, the impact block 15 is hit under the action of inertia force, the impact block 15 impacts the gear adjusting block 13, impact force is transmitted to the transmission slide block 36 through the gear adjusting block 13, the transmission slide block 36 impacts the hole drill 17 through the matching of the annular clamping groove 68 on the toggle slide block 65 and the hole drill 17, after the impact is completed, the impact is stopped, the hammer 4 and the telescopic swing rod 7 are reset and stopped, the electronic control switch receives the condition that the telescopic swing rod 7 swings to the initial state and the speed is zero, the electronic control switch controls the motor 31 to work, the motor 31 drives the second gear 29 to rotate, the second gear 29 drives the first gear 28 to rotate, the first gear 28 rotates to drive the rotary sleeve 27 to rotate, and the rotary sleeve 27 rotates to drive the hole drill 17 to rotate; after the hole drill 17 rotates to a certain degree, if the hole depth is not changed, the hole drill is impacted through the pendulum hammer mechanism 2, in the impacting process, after the hole drill 17 moves forwards for a certain distance, the transmission slide block 36 moves forwards to reach a state close to the limit, at this time, the impacting block 15 and the gear adjusting block 13 need to move backwards and reset together, the toggle slide block 65 on the transmission slide block 36 is clamped into the rear annular groove 70 of the hole drill 17, at this time, the fifth pull rope 25 needs to be pulled, the fifth pull rope 25 is pulled to pull the third pull rope 23 at first, the third pull rope 23 pulls the one-way limiting block 19, so that the one-way limiting block 19 moves forwards, the limiting on the impacting block 15 is released, and the impacting block 15 resets under the action of the fourth spring 63; the toggle slider 65 on the drive slider 36 engages the latter ring groove 68.

In the working process of the invention, if the hard layer is hard, the drilling can be carried out alternately through impact and rotation, and if the hard layer is relatively soft, most of energy can be converted into the pressure of the rotary hole through the gear of the adjusting mechanism 3.

Claims

1. The utility model provides a drilling equipment that cubic metre of earth and stone blasting was used which characterized in that: the device comprises a walking platform, a pendulum mechanism, an adjusting mechanism and a hole drill, wherein the adjusting mechanism is arranged on the upper side of the walking platform through a lifting electric push rod, and the hole drill is arranged on the adjusting mechanism; the pendulum mechanism is arranged on the walking platform and is positioned at the rear side of the adjusting mechanism;

the pendulum mechanism comprises a hammer head, a first pull rope, a telescopic swing rod and a plate spring, wherein the lower end of the telescopic swing rod is hinged to the walking platform, the upper end of the telescopic swing rod is fixedly provided with the hammer head, and the plate spring is arranged between the telescopic swing rod and the walking platform; a first pull rope is fixedly arranged on one side of the hammer head; the telescopic swing rod can be manually locked through a positioning bolt in a telescopic mode;

2. A drilling apparatus for earth and rock blasting according to claim 1, wherein: the telescopic inner rod and the telescopic outer sleeve of the telescopic swing rod are respectively provided with a positioning hole, and after the length of the telescopic swing rod is determined, the telescopic swing rod is locked by matching the positioning bolt with the positioning hole formed in the telescopic swing rod.

3. A drilling apparatus for earth and rock blasting according to claim 1, wherein: the one-way mechanism comprises a fixed support, a one-way limiting block, a first guide rod, a first spring and a first limiting plate, wherein the first guide rod is fixedly arranged on the fixed sleeve through the fixed support and is distributed obliquely; one end fixed mounting of first guide bar has first limiting plate, and one-way stopper is the L type form, and it has the first guiding hole of slant distribution to open on the one-way stopper, and one-way stopper is through the sliding fit slidable mounting of first guiding hole and first guiding rod on first guide bar, and the one end of one-way stopper is located the downside of striking piece, installs first spring between one-way stopper and the first limiting plate.

4. A drilling apparatus for earth and rock blasting according to claim 3, wherein: the mounting platform is provided with two rope holes, one end of the second pull rope is fixedly mounted on the transmission slide block, one end of the third pull rope is fixedly mounted on the one-way limiting block, the other end of the second pull rope is connected with the other end of the third pull rope through a fifth pull rope, and one end of the fifth pull rope, which is far away from the second pull rope and the third pull rope, penetrates through one of the rope holes in the mounting platform and is positioned on the lower side of the mounting platform; one end of the fourth pull rope is fixedly arranged on the one-way limiting block, and the other end of the fourth pull rope penetrates through the other rope hole in the mounting platform and is located on the lower side of the mounting platform.

5. A drilling apparatus for earth and rock blasting according to claim 1, wherein: the lower extreme fixed mounting of above-mentioned first mounting panel has the second mounting panel, and swing electric push rod's one end is installed on the second mounting panel through articulated mode, and open the one end of transmission slider has the third guiding hole, and on the first mounting panel of one end fixed mounting of third guiding rod, the transmission slider passes through the sliding fit of third guiding hole and third guiding rod and installs on the third guiding rod.

6. A drilling apparatus for earth and rock blasting according to claim 1, wherein: a second guide rod is fixedly arranged on one side of the transmission slide block, and a second limiting plate is fixedly arranged at one end, far away from the transmission slide block, of the second guide rod; two guide sliding blocks are symmetrically arranged on the outer circular surface of the second guide rod; the impact block is provided with a through second guide hole, the inner circular surface of the second guide hole is symmetrically provided with two guide sliding chutes, the impact block is slidably arranged on the second guide rod through the second guide hole, and the two guide sliding blocks are in sliding fit with the two guide sliding chutes;

7. A drilling apparatus for earth and rock blasting according to claim 1, wherein: two T-shaped guide grooves are symmetrically formed in one side, facing the impact block, of the transmission sliding block, T-shaped guide blocks are fixedly mounted on one sides of the two gear adjusting blocks, and the two gear adjusting blocks are mounted on one side of the transmission sliding block through sliding fit of the two T-shaped guide blocks and the two T-shaped guide grooves; one side of one of the two T-shaped guide grooves formed in the transmission sliding block is provided with an installation cavity, and the rotating wheel is rotatably installed in the installation cavity.

8. A drilling apparatus for earth and rock blasting according to claim 7, wherein: the outer circular surface of the rotating wheel is fixedly provided with an installation block, and the two sixth pull ropes are respectively and fixedly arranged on two sides of the installation block; a rack is fixedly arranged on each of the two gear adjusting blocks, a third gear is rotatably arranged on the transmission slide block, and the third gear is meshed with the two racks respectively;

9. A drilling apparatus for earth and rock blasting according to claim 1, wherein: two sliding guide grooves are symmetrically formed in one side of the transmission sliding block, two sliding guide strips are symmetrically arranged on the outer circular surface of one end of the fixing sleeve, and the two sliding guide strips are in sliding fit with the two sliding guide grooves.

10. A drilling apparatus for earth and rock blasting according to claim 1, wherein: a plurality of annular clamping grooves are uniformly formed in the outer circular surface of the hole drill along the axis direction, and one side, back to the advancing direction of the hole drill, of each annular clamping groove is provided with a conical surface; the outer circular surface of the hole drill is provided with a transmission guide block, the inner circular surface of the rotary sleeve is provided with a transmission guide groove, the hole drill is arranged in the rotary sleeve through the sliding fit of the transmission guide block and the transmission guide groove, and a poking slide block arranged on a transmission slide block is matched with an annular clamping groove on the hole drill;